SS-OFDM

AcronymDefinition
SS-OFDMSpread Spectrum Orthogonal Frequency-Division Multiplexing
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References in periodicals archive ?
, [x.sub.r,M]} which is transmitted by the rth block of the SS-OFDM signal.
In this section, we provide the antimultipath performance analysis of the proposed SS-OFDM scheme.
In this section, we present simulation results in order to validate the performance of OFDM and SS-OFDM in the theoretical analysis.
We provide the BER analysis of OFDM and SS-OFDM in the channel.
Figure 4 shows performance results of the SS-OFDM and OFDM system.
The SS-OFDM scheme has similar parameters to the experiments in Table 2.
We can compare the experimental results with Table 2 and notice that much better performance is achieved with the same parameter settings in the SS-OFDM system.
Conventional OFDM scheme performs inferiorly in this environment, and we investigated SS-OFDM, the combination of DSSS and OFDM, and better performance was achieved when turbo code was employed simultaneously.
Due to the strong anti-multipath capability of SS-OFDM, we use a guard interval of [T.sub.g] = 16.4 ms which is greatly shorter than the maximum time delay to address the multipath interference.